/*
 * Copyright 2011 PA Consulting Ltd
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.prodeagle.java.servlets;

import java.io.IOException;
import java.util.logging.Logger;

import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.prodeagle.java.MemCacheManager;
import com.prodeagle.java.counters.BatchCounter;
import com.prodeagle.java.counters.Counter;

public class ExampleServlet extends HttpServlet {

	/**
	 * Auto-generated for Serializable
	 */
	private static final long serialVersionUID = -2254847938021058718L;
	
	private static final Logger _logger = Logger.getLogger(ExampleServlet.class.getName());

	public void doGet(HttpServletRequest req, HttpServletResponse resp) {
		if (null != req.getParameter("clearMemcache")) {
			MemCacheManager.clearMemCache();
			try {
				resp.getWriter().print("Cleared memcache");
			} catch (IOException e) {
				_logger.severe("Failure to write response");
			}
		} else {
			Counter.increment("Counter_Singular");
			_logger.info("Counter_Singular incremented");
			
			BatchCounter counters = new BatchCounter();
			counters.increment("Counter A");
			counters.increment("Counter B");
			counters.increment("Counter C");
			counters.commit();
			
			_logger.info("Counters A, B and C incremented");
			
			try {
				resp.getWriter().print("4 counters incremented");
			} catch (IOException e) {
				_logger.severe("Failure to write response");
			}
		}
	}
}
